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Re: Pinion angle
On 12 mayo, 08:41, SnoMan <a...@snoman.com> wrote:
> On Fri, 11 May 2007 17:47:24 -0700, "Carl S" > > <carlsai...@REMOVE.hotmail.com> wrote: > >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine > >4 joints on a single driveshaft... > > No more than he front drive axles on a front wheel drive car of > truck with IFS. As far as strength, axle shafts handle more torque > than any drive shaft. It is quite feasable and doable with correct > design and parts. > ----------------- > TheSnoMan.com Thanks to all who replied, I have a beter perspective on this now. Thanks for the welding advise Bill S.. Although I will have a good welder do it, I'll make sure they take this into account. Did some angle measuring last night and found out the the stock pinion angle is up 2 degrees and the TC output is down 2 degrees. The operating angle of the stock DS is right at 10 degrees (12 degrees from the floor). Also, based on trig calculations assuming a super short SYE will be used, the plan is to: 1) weld the perches so that the pinion points up 8 degrees from parallel to the floor 2) shim down with a 6 degree shim untill the lift is installed 3) once lift is installed, shim the opposite way to get the required angle, looks like it should require less than 6 degrees even in the worst case 4) use a regular CV style DS (one u-joint at axle pinion and double u- joint at TC) Does this sound reasonable? No issues with 6 degree shimming? |
Re: Re: Pinion angle
On 12 May 2007 07:06:42 -0700, nrs <neale_rs@yahoo.com> wrote:
>On 12 mayo, 08:41, SnoMan <a...@snoman.com> wrote: >> On Fri, 11 May 2007 17:47:24 -0700, "Carl S" >> >> <carlsai...@REMOVE.hotmail.com> wrote: >> >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine >> >4 joints on a single driveshaft... >> >> No more than he front drive axles on a front wheel drive car of >> truck with IFS. As far as strength, axle shafts handle more torque >> than any drive shaft. It is quite feasable and doable with correct >> design and parts. >> ----------------- >> TheSnoMan.com >Thanks to all who replied, I have a beter perspective on this now. >Thanks for the welding advise Bill S.. Although I will have a good >welder do it, I'll make sure they take this into account. > >Did some angle measuring last night and found out the the stock pinion >angle is up 2 degrees and the TC output is down 2 degrees. The >operating angle of the stock DS is right at 10 degrees (12 degrees >from the floor). Also, based on trig calculations assuming a super >short SYE will be used, the plan is to: > >1) weld the perches so that the pinion points up 8 degrees from >parallel to the floor >2) shim down with a 6 degree shim untill the lift is installed >3) once lift is installed, shim the opposite way to get the required >angle, looks like it should require less than 6 degrees even in the >worst case >4) use a regular CV style DS (one u-joint at axle pinion and double u- >joint at TC) > >Does this sound reasonable? No issues with 6 degree shimming? Just remember that you want the static angle on pinion a few degrees more in opposit direction than one on Tcase because the axle will wrapup and reduce the angle on the pinion from axle torque with a leaf spring suspension. Sometimes several degrees. THis is why some get vibration at certain loads and speeds and cannot figure out why. ----------------- TheSnoMan.com |
Re: Re: Pinion angle
On 12 May 2007 07:06:42 -0700, nrs <neale_rs@yahoo.com> wrote:
>On 12 mayo, 08:41, SnoMan <a...@snoman.com> wrote: >> On Fri, 11 May 2007 17:47:24 -0700, "Carl S" >> >> <carlsai...@REMOVE.hotmail.com> wrote: >> >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine >> >4 joints on a single driveshaft... >> >> No more than he front drive axles on a front wheel drive car of >> truck with IFS. As far as strength, axle shafts handle more torque >> than any drive shaft. It is quite feasable and doable with correct >> design and parts. >> ----------------- >> TheSnoMan.com >Thanks to all who replied, I have a beter perspective on this now. >Thanks for the welding advise Bill S.. Although I will have a good >welder do it, I'll make sure they take this into account. > >Did some angle measuring last night and found out the the stock pinion >angle is up 2 degrees and the TC output is down 2 degrees. The >operating angle of the stock DS is right at 10 degrees (12 degrees >from the floor). Also, based on trig calculations assuming a super >short SYE will be used, the plan is to: > >1) weld the perches so that the pinion points up 8 degrees from >parallel to the floor >2) shim down with a 6 degree shim untill the lift is installed >3) once lift is installed, shim the opposite way to get the required >angle, looks like it should require less than 6 degrees even in the >worst case >4) use a regular CV style DS (one u-joint at axle pinion and double u- >joint at TC) > >Does this sound reasonable? No issues with 6 degree shimming? Just remember that you want the static angle on pinion a few degrees more in opposit direction than one on Tcase because the axle will wrapup and reduce the angle on the pinion from axle torque with a leaf spring suspension. Sometimes several degrees. THis is why some get vibration at certain loads and speeds and cannot figure out why. ----------------- TheSnoMan.com |
Re: Re: Pinion angle
On 12 May 2007 07:06:42 -0700, nrs <neale_rs@yahoo.com> wrote:
>On 12 mayo, 08:41, SnoMan <a...@snoman.com> wrote: >> On Fri, 11 May 2007 17:47:24 -0700, "Carl S" >> >> <carlsai...@REMOVE.hotmail.com> wrote: >> >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine >> >4 joints on a single driveshaft... >> >> No more than he front drive axles on a front wheel drive car of >> truck with IFS. As far as strength, axle shafts handle more torque >> than any drive shaft. It is quite feasable and doable with correct >> design and parts. >> ----------------- >> TheSnoMan.com >Thanks to all who replied, I have a beter perspective on this now. >Thanks for the welding advise Bill S.. Although I will have a good >welder do it, I'll make sure they take this into account. > >Did some angle measuring last night and found out the the stock pinion >angle is up 2 degrees and the TC output is down 2 degrees. The >operating angle of the stock DS is right at 10 degrees (12 degrees >from the floor). Also, based on trig calculations assuming a super >short SYE will be used, the plan is to: > >1) weld the perches so that the pinion points up 8 degrees from >parallel to the floor >2) shim down with a 6 degree shim untill the lift is installed >3) once lift is installed, shim the opposite way to get the required >angle, looks like it should require less than 6 degrees even in the >worst case >4) use a regular CV style DS (one u-joint at axle pinion and double u- >joint at TC) > >Does this sound reasonable? No issues with 6 degree shimming? Just remember that you want the static angle on pinion a few degrees more in opposit direction than one on Tcase because the axle will wrapup and reduce the angle on the pinion from axle torque with a leaf spring suspension. Sometimes several degrees. THis is why some get vibration at certain loads and speeds and cannot figure out why. ----------------- TheSnoMan.com |
Re: Re: Pinion angle
On 12 May 2007 07:06:42 -0700, nrs <neale_rs@yahoo.com> wrote:
>On 12 mayo, 08:41, SnoMan <a...@snoman.com> wrote: >> On Fri, 11 May 2007 17:47:24 -0700, "Carl S" >> >> <carlsai...@REMOVE.hotmail.com> wrote: >> >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine >> >4 joints on a single driveshaft... >> >> No more than he front drive axles on a front wheel drive car of >> truck with IFS. As far as strength, axle shafts handle more torque >> than any drive shaft. It is quite feasable and doable with correct >> design and parts. >> ----------------- >> TheSnoMan.com >Thanks to all who replied, I have a beter perspective on this now. >Thanks for the welding advise Bill S.. Although I will have a good >welder do it, I'll make sure they take this into account. > >Did some angle measuring last night and found out the the stock pinion >angle is up 2 degrees and the TC output is down 2 degrees. The >operating angle of the stock DS is right at 10 degrees (12 degrees >from the floor). Also, based on trig calculations assuming a super >short SYE will be used, the plan is to: > >1) weld the perches so that the pinion points up 8 degrees from >parallel to the floor >2) shim down with a 6 degree shim untill the lift is installed >3) once lift is installed, shim the opposite way to get the required >angle, looks like it should require less than 6 degrees even in the >worst case >4) use a regular CV style DS (one u-joint at axle pinion and double u- >joint at TC) > >Does this sound reasonable? No issues with 6 degree shimming? Just remember that you want the static angle on pinion a few degrees more in opposit direction than one on Tcase because the axle will wrapup and reduce the angle on the pinion from axle torque with a leaf spring suspension. Sometimes several degrees. THis is why some get vibration at certain loads and speeds and cannot figure out why. ----------------- TheSnoMan.com |
Re: Pinion angle
On May 12, 12:46 am, "L.W. \(Bill\) ------ III" <billhug...@cox.net>
wrote: > Yup:http://www.4xshaft.com/driveline101.html > God Bless America, Bill O|||||||O > mailto:LW------...@aol.comhttp://www.----------.com/ > > "nrs" <neale...@yahoo.com> wrote in message > > news:1178906375.283917.287930@w5g2000hsg.googlegro ups.com... > > > > > > > > > I bought a Cherokee Dana 44 today and am trying to decide the best way > > to install it. The vehicle is a '95 Yj with 2.5L engine and all stock > > drivetrain and no lift. The stock drive shaft length between u-joint > > cap centers is 14.5 inches. The doubt arises because I plan to lift > > the jeep 2.5 inches next year using leaf spring lift only. > > > Two options: > > > 1) stick with single cardan drive shafts: Will the angles be Ok after > > the lift with a SYE and Transfer case output and pinion parallel to > > each other? > > > 2) go with CV style driveshaft: Should the Dana 44 be installed with > > some upward angle on the pinion (with no lift, maybe using shims to > > lower it to parallel for now) to avoid rewelding to rotate once the > > lift is in place? > > > My main goal is to maximize reliability. Which would be the best > > option to choose? > > > Thanks > > -- > Posted via a free Usenet account fromhttp://www.teranews.com- Hide quoted text - > > - Show quoted text - Thanks to all who replied. I will most likely go with the plan described. |
Re: Pinion angle
On May 12, 12:46 am, "L.W. \(Bill\) ------ III" <billhug...@cox.net>
wrote: > Yup:http://www.4xshaft.com/driveline101.html > God Bless America, Bill O|||||||O > mailto:LW------...@aol.comhttp://www.----------.com/ > > "nrs" <neale...@yahoo.com> wrote in message > > news:1178906375.283917.287930@w5g2000hsg.googlegro ups.com... > > > > > > > > > I bought a Cherokee Dana 44 today and am trying to decide the best way > > to install it. The vehicle is a '95 Yj with 2.5L engine and all stock > > drivetrain and no lift. The stock drive shaft length between u-joint > > cap centers is 14.5 inches. The doubt arises because I plan to lift > > the jeep 2.5 inches next year using leaf spring lift only. > > > Two options: > > > 1) stick with single cardan drive shafts: Will the angles be Ok after > > the lift with a SYE and Transfer case output and pinion parallel to > > each other? > > > 2) go with CV style driveshaft: Should the Dana 44 be installed with > > some upward angle on the pinion (with no lift, maybe using shims to > > lower it to parallel for now) to avoid rewelding to rotate once the > > lift is in place? > > > My main goal is to maximize reliability. Which would be the best > > option to choose? > > > Thanks > > -- > Posted via a free Usenet account fromhttp://www.teranews.com- Hide quoted text - > > - Show quoted text - Thanks to all who replied. I will most likely go with the plan described. |
Re: Pinion angle
On May 12, 12:46 am, "L.W. \(Bill\) ------ III" <billhug...@cox.net>
wrote: > Yup:http://www.4xshaft.com/driveline101.html > God Bless America, Bill O|||||||O > mailto:LW------...@aol.comhttp://www.----------.com/ > > "nrs" <neale...@yahoo.com> wrote in message > > news:1178906375.283917.287930@w5g2000hsg.googlegro ups.com... > > > > > > > > > I bought a Cherokee Dana 44 today and am trying to decide the best way > > to install it. The vehicle is a '95 Yj with 2.5L engine and all stock > > drivetrain and no lift. The stock drive shaft length between u-joint > > cap centers is 14.5 inches. The doubt arises because I plan to lift > > the jeep 2.5 inches next year using leaf spring lift only. > > > Two options: > > > 1) stick with single cardan drive shafts: Will the angles be Ok after > > the lift with a SYE and Transfer case output and pinion parallel to > > each other? > > > 2) go with CV style driveshaft: Should the Dana 44 be installed with > > some upward angle on the pinion (with no lift, maybe using shims to > > lower it to parallel for now) to avoid rewelding to rotate once the > > lift is in place? > > > My main goal is to maximize reliability. Which would be the best > > option to choose? > > > Thanks > > -- > Posted via a free Usenet account fromhttp://www.teranews.com- Hide quoted text - > > - Show quoted text - Thanks to all who replied. I will most likely go with the plan described. |
Re: Pinion angle
On May 12, 12:46 am, "L.W. \(Bill\) ------ III" <billhug...@cox.net>
wrote: > Yup:http://www.4xshaft.com/driveline101.html > God Bless America, Bill O|||||||O > mailto:LW------...@aol.comhttp://www.----------.com/ > > "nrs" <neale...@yahoo.com> wrote in message > > news:1178906375.283917.287930@w5g2000hsg.googlegro ups.com... > > > > > > > > > I bought a Cherokee Dana 44 today and am trying to decide the best way > > to install it. The vehicle is a '95 Yj with 2.5L engine and all stock > > drivetrain and no lift. The stock drive shaft length between u-joint > > cap centers is 14.5 inches. The doubt arises because I plan to lift > > the jeep 2.5 inches next year using leaf spring lift only. > > > Two options: > > > 1) stick with single cardan drive shafts: Will the angles be Ok after > > the lift with a SYE and Transfer case output and pinion parallel to > > each other? > > > 2) go with CV style driveshaft: Should the Dana 44 be installed with > > some upward angle on the pinion (with no lift, maybe using shims to > > lower it to parallel for now) to avoid rewelding to rotate once the > > lift is in place? > > > My main goal is to maximize reliability. Which would be the best > > option to choose? > > > Thanks > > -- > Posted via a free Usenet account fromhttp://www.teranews.com- Hide quoted text - > > - Show quoted text - Thanks to all who replied. I will most likely go with the plan described. |
Re: Re: Re: Pinion angle
Sno,
Thanks for citing examples, I stand corrected. Carl "SnoMan" <admin@snoman.com> wrote in message news:3tgb431o02ce0mg77e6mvjfabmdvj1inn9@4ax.com... > On Fri, 11 May 2007 17:47:24 -0700, "Carl S" > <carlsaiyed@REMOVE.hotmail.com> wrote: > >>Wouldnt a CV on each end cause the shaft to flop up and down? I cant >>imagine >>4 joints on a single driveshaft... > > > No more than he front drive axles on a front wheel drive car of > truck with IFS. As far as strength, axle shafts handle more torque > than any drive shaft. It is quite feasable and doable with correct > design and parts. > ----------------- > TheSnoMan.com |
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